code: def get(self, key, *args):
      if not args:
          args = (self.default,)
      return dict.get(self, key, *args)
  
imports: from test.support import sortdict
  import doctest
  import unittest
label_desc: Use image node_id 3 for calling the defaultdict2 obj's underlying member method code with example usage: obj.get(key) and returns: dict